CN218166445U

CN218166445U - Coal fired power plant energy saving and emission reduction device

Info

Publication number: CN218166445U
Application number: CN202222268921.9U
Authority: CN
Inventors: 张红磊; 高午印; 李国胜; 藏云帆
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-08-26
Filing date: 2022-08-26
Publication date: 2022-12-30
Anticipated expiration: 2032-08-26

Abstract

The utility model relates to a coal fired power plant energy saving and emission reduction field, specific coal fired power plant energy saving and emission reduction device that says so, include: a base plate; the heat exchange treatment mechanism is used for utilizing the heat in the flue gas and is arranged at the top of the bottom plate; the water tank is arranged through the heat exchange treatment mechanism, the connecting pipe is arranged, the filtering assembly is arranged, the first heat exchange pipe and the second heat exchange pipe are matched for use, high-temperature gas entering the inner cavity of the first heat exchange pipe through the connecting pipe enters the inner cavity of the filtering assembly after first heat exchange, flue gas after heat exchange enters the inner cavity of the second heat exchange pipe again after being filtered through the filtering assembly to perform second heat exchange, water in the inner cavity of the water tank is heated, high-temperature heat in the flue gas is utilized, the energy-saving emission reduction idea is met, meanwhile, the first heat exchange pipe and the second heat exchange pipe are designed to be of special shapes, the flowing time of the flue gas can be prolonged, and heat in the flue gas is fully exchanged with the water in the inner cavity of the water tank.

Description

Coal fired power plant energy saving and emission reduction device

Technical Field

The utility model relates to a coal fired power plant energy saving and emission reduction field, very much relate to a coal fired power plant energy saving and emission reduction device.

Background

The coal-fired power plant is a factory which utilizes coal as fuel to produce electric energy, and can discharge a large amount of high-temperature flue gas in the daily operation process of the coal-fired power plant, but the discharge mode in the prior art is to directly discharge harmful substances in the flue gas after the harmful substances are treated by a treatment device, waste heat in the high-temperature flue gas, and is not in accordance with the advocated energy-saving and emission-reducing concept.

Therefore, an energy-saving and emission-reducing device for a coal-fired power plant is provided to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a following technical scheme realizes above-mentioned purpose, a coal fired power plant energy saving and emission reduction device, include: a base plate; the heat exchange treatment mechanism is used for utilizing the heat in the flue gas and is arranged at the top of the bottom plate; the heat exchange treatment mechanism comprises a water tank arranged at the top of the bottom plate, the top of one side of the water tank is communicated with a connecting pipe, two filtering components are arranged in an inner cavity of the water tank, a three-way pipe is arranged at the top of each filtering component, two ends of each three-way pipe are communicated with an L-shaped pipeline, the top of each three-way pipe is communicated with a first heat exchange pipe, and one end of each first heat exchange pipe, far away from the three-way pipe, is communicated with the connecting pipe; the purification mechanism for impurity in the flue gas dissolves sets up in the both sides at bottom plate top for the purification mechanism who carries out the solution can carry out the heat transfer with the water of water tank inner chamber, has played the purpose that utilizes the high temperature in the flue gas.

Preferably, the filtering component comprises two filtering boxes arranged in the inner cavity of the water tank, the inner cavity of each filtering box is sequentially provided with an impurity filtering plate, an activated carbon adsorption plate and a dust filtering plate from top to bottom, the top of each filtering box is communicated with the L-shaped pipeline, the bottom of each filtering box is communicated with a second heat exchange tube, impurities and harmful substances in smoke can be filtered, and the situation that the external environment is polluted due to direct discharge is avoided.

Preferably, purification mechanism includes two solution tanks of installing in bottom plate top both sides, install the fan between solution tank and the heat transfer processing mechanism, the air inlet end of fan run through the water tank and communicate with the second heat exchange tube, the air-out end of fan and the bottom intercommunication of solution tank one side, install the check valve between the air-out end of fan and the solution tank, can dissolve the granule impurity in the flue gas, carry out better purification to the flue gas.

Preferably, the inner chamber of solution tank runs through and installs the stirring subassembly, the stirring subassembly comprises drive motor, puddler and stirring leaf jointly, can stir the solution of solution tank inner chamber, increases solution and flue gas area of contact's effect.

Preferably, the bottom intercommunication of water tank has the drain pipe, the bottom of drain pipe runs through the bottom plate and extends to the bottom of bottom plate, the surface mounting of drain pipe has the valve, can be convenient for discharge the hot water of water tank inner chamber, uses in discharging outside hot water container.

Preferably, the top of the solution tank is communicated with a liquid adding pipe, the top of one side of the solution tank is communicated with an exhaust pipe, so that solution can be conveniently added into the solution tank, and the treated flue gas can be conveniently discharged.

The utility model has the advantages that:

1. through the cooperation use of the water tank, the connecting pipe, the filtering component and the first heat exchange pipe and the second heat exchange pipe which are arranged on the heat exchange processing mechanism, high-temperature gas entering the inner cavity of the first heat exchange pipe through the connecting pipe enters the inner cavity of the filtering component after first heat exchange, smoke after heat exchange enters the inner cavity of the second heat exchange pipe again after being filtered by the filtering component for second heat exchange, water in the inner cavity of the water tank is heated, the high-temperature heat in the smoke is utilized, the purpose of meeting the energy-saving and emission-reduction concept is achieved, meanwhile, through the design that the first heat exchange pipe and the second heat exchange pipe are in special shapes, the flowing time of the smoke can be prolonged, and the heat in the smoke can fully exchange heat with the water in the inner cavity of the water tank;

2. through the cooperation use between the solution tank that purification mechanism set up, fan and the stirring subassembly for the filterable back gas of heat transfer gets into the inner chamber of solution tank through the intercommunication of fan with the second heat exchange tube, the granule impurity in the solution to gas that rethread solution tank inner chamber was filled dissolves, has played the purpose of carrying out the purification to the flue gas, can stir solution through the setting of stirring subassembly simultaneously, makes solution and gaseous intensive mixing, increases the effect of dissolution rate.

Drawings

FIG. 1 is a schematic view of the present invention;

FIG. 2 is a schematic cross-sectional view of the present invention;

FIG. 3 is a schematic view of the structure of the purification mechanism of the present invention;

fig. 4 is a schematic structural view of the filter assembly of the present invention.

In the figure: 1. a base plate; 2. a heat exchange treatment mechanism; 21. a water tank; 22. connecting pipes; 23. a filter assembly; 231. a filter box; 232. an impurity filter plate; 233. an activated carbon adsorption plate; 234. a dust filter plate; 24. a three-way pipe; 25. an L-shaped duct; 26. a first heat exchange tube; 27. a second heat exchange tube; 3. a purification mechanism; 31. a solution tank; 32. a fan; 33. a stirring assembly; 4. and a water discharge pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the specific implementation: as shown in fig. 1 to 4, a coal-fired power plant energy saving and emission reduction device includes: a base plate 1; the heat exchange treatment mechanism 2 is used for utilizing the heat in the flue gas, and the heat exchange treatment mechanism 2 is arranged at the top of the bottom plate 1; the heat exchange treatment mechanism 2 comprises a water tank 21 arranged at the top of the bottom plate 1, the top of one side of the water tank 21 is communicated with a connecting pipe 22, two filtering components 23 are arranged in the inner cavity of the water tank 21, a three-way pipe 24 is arranged at the top of each filtering component 23, two ends of each three-way pipe 24 are communicated with an L-shaped pipeline 25, the top of each three-way pipe 24 is communicated with a first heat exchange pipe 26, and one end, far away from the three-way pipe 24, of each first heat exchange pipe 26 is communicated with the connecting pipe 22; and the purification mechanisms 3 are used for dissolving impurities in the flue gas, and the purification mechanisms 3 are arranged on two sides of the top of the bottom plate 1.

As shown in fig. 1, fig. 2 and fig. 4, the filtering assembly 23 includes two filtering boxes 231 installed in the inner cavity of the water tank 21, the inner cavity of the filtering box 231 is sequentially installed with an impurity filtering plate 232, an activated carbon adsorption plate 233 and a dust filtering plate 234 from top to bottom, the top of the filtering box 231 is communicated with the L-shaped pipeline 25, the bottom of the filtering box 231 is communicated with a second heat exchange pipe 27, the flue gas is sequentially filtered by the impurity filtering plate 232, the activated carbon adsorption plate 233 and the dust filtering plate 234 to enter the bottom of the inner cavity of the filtering box 231, and then the flue gas is discharged through the second heat exchange pipe 27; the bottom intercommunication of water tank 21 has drain pipe 4, and the bottom of drain pipe 4 runs through bottom plate 1 and extends to the bottom of bottom plate 1, and the surface mounting of drain pipe 4 has the valve, opens the valve and passes through drain pipe 4 with hot water and arrange outside hot water container in and use.

As shown in fig. 1, 2 and 3, the purification mechanism 3 includes two solution tanks 31 installed on both sides of the top of the bottom plate 1, a blower 32 is installed between the solution tank 31 and the heat exchange processing mechanism 2, an air inlet end of the blower 32 penetrates through the water tank 21 and is communicated with the second heat exchange tube 27, an air outlet end of the blower 32 is communicated with the bottom of one side of the solution tank 31, a check valve is installed between an air outlet end of the blower 32 and the solution tank 31, and the solution tank 31 discharges flue gas to an inner cavity of the solution tank 31 through communication with the second heat exchange tube 27 to dissolve particle impurities in the flue gas; a stirring component 33 is installed in the inner cavity of the solution tank 31 in a penetrating manner, the stirring component 33 is composed of a transmission motor, a stirring rod and a stirring blade, and the transmission motor drives the stirring rod and the stirring blade to rotate so as to stir the solution in the inner cavity of the solution tank 31; the top of the solution tank 31 is communicated with a liquid adding pipe, and the top of one side of the solution tank 31 is communicated with an exhaust pipe.

The utility model discloses when filtering the heat transfer to the flue gas, communicate outside flue gas discharge pipeline and connecting pipe 22, make the flue gas pour into the inner chamber of first heat exchange tube 26, water through first heat exchange tube 26 and water tank 21 inner chamber carries out the heat transfer for the first time, gaseous inner chamber that pours into filter assembly 23 with the gas through the intercommunication of three-way pipe 24 and L shape pipeline 25 after the heat transfer, rethread impurity filter 232, activated carbon adsorption plate 233 filters the purification with dust filter 234 to gas, the gaseous inner chamber that gets into second heat exchange tube 27 again after the filtration, carry out the second time heat transfer to gas, finally, rethread fan 32 pours into the inner chamber of solution tank 31 with the flue gas into, solution and the gaseous intensive mixing through stirring assembly 33 stirring solution tank 31 inner chamber, dissolve the purification to the granule impurity in the gas, rethread blast pipe discharges, can realize energy saving and emission reduction's purpose, thereby effectual discharge mode among the prior art is through direct emission after handling the harmful substance in the flue gas of processing apparatus, the heat in the high temperature flue gas has been wasted, the problem of energy saving and emission reduction is advocated.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A coal fired power plant energy saving and emission reduction device is characterized by comprising:

a base plate (1);

the heat exchange treatment mechanism (2) is used for utilizing the heat in the flue gas, and the heat exchange treatment mechanism (2) is arranged at the top of the bottom plate (1);

the heat exchange treatment mechanism (2) comprises a water tank (21) arranged at the top of the bottom plate (1), the top of one side of the water tank (21) is communicated with a connecting pipe (22), two filtering components (23) are arranged in the inner cavity of the water tank (21), a three-way pipe (24) is arranged at the top of each filtering component (23), two ends of each three-way pipe (24) are communicated with L-shaped pipelines (25), the top of each three-way pipe (24) is communicated with a first heat exchange pipe (26), and one end, far away from the three-way pipe (24), of each first heat exchange pipe (26) is communicated with the connecting pipe (22);

and the purification mechanisms (3) are used for dissolving impurities in the flue gas, and the purification mechanisms (3) are arranged on two sides of the top of the bottom plate (1).

2. The energy-saving and emission-reducing device of a coal-fired power plant according to claim 1, characterized in that: the filter assembly (23) includes that two are installed in rose box (231) of water tank (21) inner chamber, the inner chamber of rose box (231) is from last to installing impurity filter (232), activated carbon adsorption board (233) and dust filter (234) down in proper order, the top and the L venturi tube way (25) intercommunication of rose box (231), the bottom intercommunication of rose box (231) has second heat exchange tube (27).

3. The energy-saving and emission-reducing device of the coal-fired power plant according to claim 2, characterized in that: purification mechanism (3) include two and install solution tank (31) in bottom plate (1) top both sides, install fan (32) between solution tank (31) and heat transfer treatment mechanism (2), the air inlet end of fan (32) run through water tank (21) and communicate with second heat exchange tube (27), the air-out end of fan (32) and the bottom intercommunication of solution tank (31) one side, install the check valve between the air-out end of fan (32) and solution tank (31).

4. The energy-saving and emission-reducing device of a coal-fired power plant according to claim 3, characterized in that: the inner cavity of the solution tank (31) is provided with a stirring component (33) in a penetrating way, and the stirring component (33) is composed of a transmission motor, a stirring rod and a stirring blade.

5. The energy-saving and emission-reducing device of a coal-fired power plant according to claim 3, characterized in that: the bottom intercommunication of water tank (21) has drain pipe (4), the bottom of drain pipe (4) runs through bottom plate (1) and extends to the bottom of bottom plate (1), the surface mounting of drain pipe (4) has the valve.

6. The energy-saving and emission-reducing device of a coal-fired power plant according to claim 4, characterized in that: the top of the solution tank (31) is communicated with a liquid adding pipe, and the top of one side of the solution tank (31) is communicated with an exhaust pipe.